import java.nio.charset.StandardCharsets;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Hu
 * Date: 2024-04-22
 * Time: 8:05
 */
public class practise {
    public static void main(String[] args) {
      /*  double d = 3.14;
        System.out.println(d);*/
        /*double a = 1;
        int b = 2;
        System.out.println(a / b);*/
//        double b = 1.1;
//        System.out.println(b * b);
       /* float num = 1.0f;
        System.out.println(num);*/
        /*char c1 = 'A';
        char c2 = 'B';
        System.out.println(c1);
        System.out.println(c2);*/
//        char c3 = 'A';
//        System.out.println(c3);
//        boolean value = true;
//        System.out.println(value + 1);
        /*int a = 10;
        long b = 100L;
        b = a;
        a = b;*/
//        System.out.println(1024);
//        System.out.println(3.14);
       /* int a = 100;
        long b = 10L;
        b = a;
        a = b;*/
//        float f = 3.14F;
//        double d = 5.12;
//        d = f;
//        f = d;
       /* byte b1 = 100;
        byte b2 = 257;*/
        /*int a = 10;
        long b = 100L;
        b = a;
        a = (int)b;*/
       /* float f = 3.14F;
        double d = 5.12;
        d = f;
        f =(float)d;*/
//        byte b1 = 100;
//        byte b2 = (byte)257;
      /*  boolean flag = true;
        a = flag;*/
       /* int a = 10;
        long b = 100L;
        int c = a + b;
        long c = a + b;*/
        /*byte a = 10;
        byte b = 20;
        byte c = (byte)(a + b);
        System.out.println(c);*/
      /*  String s1 = "hello";
        String s2 = "world";
        System.out.println(s1);
        System.out.println(s2);
        System.out.println(s1 +  s2);*/
//        int num = 10;
//        String str1 = num +"";
//        String str2 = String.valueOf(num);
//        String str = "100";
//        num = Integer.parseInt(str);
        /*int a = 1;
        ++a;
        System.out.println(++a);
        System.out.println(a);*/
       /* int a = 1;
        int b = 2;
        System.out.println(a == 1 && b == 2);*/
       /* int a = 1;
        System.out.println(!(a==1));*/
        /*System.out.println(10 > 20 && 10 / 0 == 0);*/
       /* int a = 10;
        int b = 20;
        System.out.println(a & b);
        System.out.println(a | b);*/
      /*  int a = 0xf;
        System.out.printf("%x\n",~a);*/
        /*int a = 0x1;
        int b = 0x2;
        System.out.printf("%x\n",a^b);*/


    }
}
